selectCauses method
Set user's selected causes
Input causes that the user has selected Posts the ids of these causes to the API
Implementation
Future<void> selectCauses(List<ListCause> selectedCauses) async {
List<int> ids = selectedCauses.map((cause) => cause.id).toList();
// TODO check this is the correct endpoint
await _apiService.postRequest('v2/me/causes', body: {'cause_ids': ids});
// Update user after request
await locator<AuthenticationService>().fetchUser();
}